# VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB

> Title: VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB Page Range: p.45-52 Author(s): Jin-tao Lei; Jian-kang Chen; Ming-hua Zhang File size: 590K Download the pdf (subscribers only) Buy the pdf (non-subscribers) Journal: Polymers and Polymer...

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Published: 2012-01-01T00:00:00+00:00
Categories: Polymers and Polymer Composites

**Title: VARIATION OF ELECTRO-CONDUCTIVE PROPERTY OF SSF /PA6 SYSTEM UNDER IMPACT LOADING USING A MODIFIED SHPB**
 Page Range: p.45-52
 Author(s): Jin-tao Lei; Jian-kang Chen; Ming-hua Zhang
 File size: 590K
 ![](http://dload.gif) [Download the pdf](http://journals.asp?Page=111&JournalDownload=ON&JournalType=ppc&JournalIssue=ppc20-1-2&JournalID=101538&JIP=) (subscribers only)
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 Journal: Polymers and Polymer Composites
 Issue Year: ppc
 Volume: 20
 Issue No: No.1-2

**Abstract**
 In order to detect the variation of electro-conductive property of short steel fibre (SSF) filled polyamide-6 (PA6) under impact loading, a modified split Hopkinson pressure bar (M-SHPB) is suggested. Such M-SHPB is constructed by designing a new test electrocircuit, and connecting it to the specimen and oscillograph. On the other hand, a copper foil cover is designed and placed on the whole SHPB equipment for avoiding interference of electromagnetic wave existing in the testing environment. By means of M-SHPB, the relation between the resistance and dynamic stress or dynamic strain is effectively detected. The experimental results indicate that the resistance of the material decreases with the increase of strain or stress. The sensitive variation of the resistance appears at the beginning of the deformation of the material. 16 Refs.

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